decode - Computer Definition

To reverse a previously used encoding process. Typically,
binary data gets encoded so that the human eye can at least register it. Binary
Data is encoded into a “readable” format
so that it can be transmitted by text-based protocols such as SMTP (email) or
HTTP (Web).

Sentence Examples

Some ED sets are marketed as "HD ready," meaning they can decode HD signals if connected to a digital tuner, but these signals must be converted to a lower resolution, so picture quality gains are reduced.

The game also challenges players to use observation, memory, wordplay, and problem-solving skills to decode special DVD puzzles.